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Find the intersecting points

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mathru on 22 Jan 2020
Edited: mathru on 22 Jan 2020
How can I calculate the intersecting points (red circled) from the following image?
mathru on 22 Jan 2020
This is not a plot. This is an image ( just an trapezoidal shape object kept on a flat surface).

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Accepted Answer

KSSV on 22 Jan 2020
If you have the image in hand.
  1. Get the locations/ positions i.e (x,y) for both the regions using logical indexing.
  2. Get the boundary of both the regions using boundary.
  3. Use InterX from the link:
If you have points (x,y) straight away follow from step 2 in the above.

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